拓扑形变

Computer Simulations Might Predict Future Earthquakes 电脑模拟能够预测未来地震 Geologists say they knew a large earthquake was coming in South Asia, but they did not know when. The Himalay

发表于:2018-12-08 / 阅读(78) / 评论(0) 分类 VOA2005(下)--环境科学探索

Leading the news this morning It seems Labor's woes aren't only confined to Queensland.The latest news poll shows the gap between the two parties preferred vote has widened to 14,with coalition sitting on 57%.The ALP's primary vote has slipped three

发表于:2018-12-11 / 阅读(49) / 评论(0) 分类 澳洲ABC新闻快递2012年

I'm John Berman, sitting in for *, welcome to the 360 podcast. Convicted of trying to kill three people but not actually killing a fourth. Michael Doug raise a justice. Let's get started. It was a shocking crime. It started as a disagreement over lou

发表于:2018-12-19 / 阅读(62) / 评论(0) 分类 CNN2014年(二)月

Every two weeks, on the full and new moons, the sun, moon and Earth fall along a nearly straight line. The combination of gravitational forces in this arrangement creates large swings in the tides. But the celestial alignment affects more than the oc

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 2016年Scientific American(九)月

...Africa. The African plate has been drifting north over millions of years. And when it pushes against the European plate, huge fold s of rock have been forced up and over one another into great moun

发表于:2019-01-02 / 阅读(159) / 评论(0) 分类 欧洲自然写真

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(十二)月

By Gilbert da Costa Abuja 27 June 2006 Lawal Manesara who is a polio victim rides on a skate board along a street of Lagos, Nigeria Nigeria is to launch an ambitious immunization strategy to halt the spread of polio in Africa's most populous country

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 2006年VOA标准英语(六月)

The deputy head of Ingushetia's Supreme Court has been shot dead in the latest incident of violence to hit Russia's troubled Caucasus region. The assassination of Justice Aza Gazgireeva follows a recent high profile killing in neighboring Dagestan,

发表于:2019-01-13 / 阅读(49) / 评论(0) 分类 VOA标准英语2009年(六月)

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(85) / 评论(0) 分类 VOA标准英语2010年(十)月

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Mil

发表于:2019-01-20 / 阅读(74) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(63) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(72) / 评论(0) 分类 2014年Scientific American(八)月

拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配

发表于:2019-02-01 / 阅读(78) / 评论(0) 分类 实用英语

1. Russians 1、俄罗斯人 Scientists still cannot agree on their origins and answer the question when Russians became Russian. The ancestry of Russians were sought among Normans, Scythians, and Sarmatians, and even the South Siberian Usuns. 俄罗斯

发表于:2019-02-01 / 阅读(61) / 评论(0) 分类 阅读空间

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(125) / 评论(0) 分类 VOA常速英语2008年(二月)

The Zika virus outbreak in Latin America could be a bigger threat to global health than the Ebola epidemic that killed more than 11,000 people in Africa. That's according to several public health experts who spoke with the Guardian and Examiner newsp

发表于:2019-02-08 / 阅读(85) / 评论(0) 分类 英语新闻

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(121) / 评论(0) 分类 实用英语

本期内容: The World Health Organisation warned that Zika, a mosquito-borne virus linked to brain deformation in human fetuses, is likely to spread to every country in the Americas except Canada and Chile. Brazil has reported 3,893 cases of micr

发表于:2019-02-20 / 阅读(77) / 评论(0) 分类 夏说英语新闻晨读

英语单词快速记忆法丛书(2)

发表于:2019-02-26 / 阅读(409) / 评论(0) 分类 英文语法词汇
学英语单词
-orium
3-hydroxypropyl methacrylate
a Directioner
acrobates pygmaeus
anytime soon
atoka
audit operations branch
Baja Midnight
bells and whistles
benzimidazoyl
birds-on-the-wing
bn object bn
botan-
break bulk container ship
bromid
capsizing moment windlass
cash forecast
chugach mts.
coaxial cable area
coded pulse siganl
conditioned immunity
confraternity
cumulative screen analysis
cwm-glacier
cymo-raceme
diaphragm coupling
double action oil hydraulic press
double layer glass
echo altimeter
emanatory
emergency stop indicator
family Tapiridae
ferric sesquioxide
ferrocene
find a lodge
flying spit
foot's oil
frequency group
gefe
gnophomyia orientalis
grating for stopping floating wood
grimr
gunnery data
haringay
Hycholine
hydrostatic compression
icariresinol
injection block
inverse gsm mapping
junctional tachycardia
Kalīso
Klebsielleae-Enterobacter-Serratia
knobhead
machine barking
Mahonia nervosa
master fault
measure of time
member of tribunal
motor-coach
Nanticokes
needler
ocrea
ousters
outsnores
payane
peach insect
pentafluorization
pentaprism
Pinelopi
Polygala bomiensis
power loss of pump
prenuptial
prescapular fossae
price has downslided
probability law
projectest
registered health information technician
regulating action
ribbonfish
riffle area
s-head
scrutators
semiconducting ceramics
septingentenary
seymour
shoe horn
skypod
snoring rail
stog
submergenic horizon
superior parotid artery
swills
timelines
toll enquiry position
tribromochlorosilane
trustee in hankruptcy
underwater holography
unsaturated color
van-foss
wearable computing
Yealmpton
yotta-hertz